require 'test_helper'

describe "Extension with wrapped classes" do

  before(:all) do
    Extension.new "adder" do |e|
      e.sources full_dir("headers/Adder.h"),
        :include_source_files => [
          full_dir("headers/Adder.h"),
          full_dir("headers/Adder.cpp")
        ]
      node = e.namespace "classes"
      adder = node.classes("Adder")

      adder.use_constructor( adder.constructors.find(:arguments => []))
      adder.disable_typedef_lookup

      decl = <<-END
int subtractIntegers(classes::Adder* self, int a, int b) {
return a - b;
}

int multiplyIntegers(classes::Adder* self, int a, int b) {
return a * b;
}
      END

      wrapping = <<-END
<class>.define_method(\"sub_ints\", &subtractIntegers);
<class>.define_method(\"mult_ints\", &multiplyIntegers);
END

      adder.add_custom_code( decl, wrapping )
    end

    require 'adder'
  end

  specify "Adder has new custom methods" do
    a = Adder.new
    a.sub_ints(5, 4).should == 1
    a.mult_ints(5, 4).should == 20
  end

end